131955220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 304819200

約数和(自身を除く): 172863980

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 41, 58, 62, 82, 116, 124, 145, 155, 164, 179, 205, 290, 310, 358, 410, 580, 620, 716, 820, 895, 899, 1189, 1271, 1790, 1798, 2378, 2542, 3580, 3596, 4495, 4756, 5084, 5191, 5549, 5945, 6355, 7339, 8990, 10382, 11098, 11890, 12710, 14678, 17980, 20764, 22196, 23780, 25420, 25955, 27745, 29356, 36695, 36859, 51910, 55490, 73390, 73718, 103820, 110980, 146780, 147436, 160921, 184295, 212831, 227509, 321842, 368590, 425662, 455018, 643684, 737180, 804605, 851324, 910036, 1064155, 1137545, 1609210, 2128310, 2275090, 3218420, 4256620, 4550180, 6597761, 13195522, 26391044, 32988805, 65977610, 131955220]

約数ペア:

[(1, 131955220), (2, 65977610), (4, 32988805), (5, 26391044), (10, 13195522), (20, 6597761), (29, 4550180), (31, 4256620), (41, 3218420), (58, 2275090), (62, 2128310), (82, 1609210), (116, 1137545), (124, 1064155), (145, 910036), (155, 851324), (164, 804605), (179, 737180), (205, 643684), (290, 455018), (310, 425662), (358, 368590), (410, 321842), (580, 227509), (620, 212831), (716, 184295), (820, 160921), (895, 147436), (899, 146780), (1189, 110980), (1271, 103820), (1790, 73718), (1798, 73390), (2378, 55490), (2542, 51910), (3580, 36859), (3596, 36695), (4495, 29356), (4756, 27745), (5084, 25955), (5191, 25420), (5549, 23780), (5945, 22196), (6355, 20764), (7339, 17980), (8990, 14678), (10382, 12710), (11098, 11890)]